Limnobium
Limnobium, common names spongeplant and American frogbit, is a group of aquatic plants in the Hydrocharitaceae described as a genus in 1814. It is widespread in freshwater environments in Latin America, the West Indies, and the United States.Species
- Limnobium laevigatum Heine - Mexico, Central and South America, West Indies
- Limnobium spongia Steud. - USA
Formerly included
Limnobium dubium Shäffer-Fehre - Hydrocharis dubia Backer